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Pull ioremap updates from Christoph Hellwig:
"Remove the ioremap_nocache API (plus wrappers) that are always
identical to ioremap"
* tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap:
remove ioremap_nocache and devm_ioremap_nocache
MIPS: define ioremap_nocache to ioremap
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ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"I've been sitting on these longer than I meant, so the patch count is
a bit higher than ideal for this part of the release. There's also
some reverts of double-applied patches that brings the diffstat up a
bit.
With that said, the biggest changes are:
- Revert of duplicate i2c device addition on two Aspeed (BMC)
Devicetrees.
- Move of two device nodes that got applied to the wrong part of the
tree on ASpeed G6.
- Regulator fix for Beaglebone X15 (adding 12/5V supplies)
- Use interrupts for keys on Amlogic SM1 to avoid missed polls
In addition to that, there is a collection of smaller DT fixes:
- Power supply assignment fixes for i.MX6
- Fix of interrupt line for magnetometer on i.MX8 Librem5 devkit
- Build fixlets (selects) for davinci/omap2+
- More interrupt number fixes for Stratix10, Amlogic SM1, etc.
- ... and more similar fixes across different platforms
And some non-DT stuff:
- optee fix to register multiple shared pages properly
- Clock calculation fixes for MMP3
- Clock fixes for OMAP as well"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
MAINTAINERS: Add myself as the co-maintainer for Actions Semi platforms
ARM: dts: imx7: Fix Toradex Colibri iMX7S 256MB NAND flash support
ARM: dts: imx6sll-evk: Remove incorrect power supply assignment
ARM: dts: imx6sl-evk: Remove incorrect power supply assignment
ARM: dts: imx6sx-sdb: Remove incorrect power supply assignment
ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment
ARM: dts: imx6q-icore-mipi: Use 1.5 version of i.Core MX6DL
ARM: omap2plus: select RESET_CONTROLLER
ARM: davinci: select CONFIG_RESET_CONTROLLER
ARM: dts: aspeed: rainier: Fix fan fault and presence
ARM: dts: aspeed: rainier: Remove duplicate i2c busses
ARM: dts: aspeed: tacoma: Remove duplicate flash nodes
ARM: dts: aspeed: tacoma: Remove duplicate i2c busses
ARM: dts: aspeed: tacoma: Fix fsi master node
ARM: dts: aspeed-g6: Fix FSI master location
ARM: dts: mmp3: Fix the TWSI ranges
clk: mmp2: Fix the order of timer mux parents
ARM: mmp: do not divide the clock rate
arm64: dts: rockchip: Fix IR on Beelink A1
optee: Fix multi page dynamic shm pool alloc
...
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Determined empirically, no documentation is available.
The OLPC XO-1.75 laptop used parent 1, that one being VCTCXO/4 (65MHz), but
thought it's a VCTCXO/2 (130MHz). The mmp2 timer driver, not knowing
what is going on, ended up just dividing the rate as of
commit f36797ee4380 ("ARM: mmp/mmp2: dt: enable the clock")'
Link: https://lore.kernel.org/r/20191218190454.420358-3-lkundrak@v3.sk
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes
Pull Allwinner clk fixes from Maxime Ripard:
Our usual set of fixes for Allwinner, to fix the number of reported
clocks on the v3s, fixing the external clock on the R40, and some
fixes for the AR100 co-processor clocks.
* tag 'sunxi-clk-fixes-for-5.5' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
clk: sunxi-ng: h6-r: Fix AR100/R_APB2 parent order
clk: sunxi-ng: h6-r: Simplify R_APB1 clock definition
clk: sunxi-ng: sun8i-r: Fix divider on APB0 clock
clk: sunxi-ng: r40: Allow setting parent rate for external clock outputs
clk: sunxi-ng: v3s: Fix incorrect number of hw_clks.
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According to the BSP source code, both the AR100 and R_APB2 clocks have
PLL_PERIPH0 as mux index 3, not 2 as it was on previous chips. The pre-
divider used for PLL_PERIPH0 should be changed to index 3 to match.
This was verified by running a rough benchmark on the AR100 with various
clock settings:
| mux | pre-divider | iterations/second | clock source |
|=====|=============|===================|==============|
| 0 | 0 | 19033 (stable) | osc24M |
| 2 | 5 | 11466 (unstable) | iosc/osc16M |
| 2 | 17 | 11422 (unstable) | iosc/osc16M |
| 3 | 5 | 85338 (stable) | pll-periph0 |
| 3 | 17 | 27167 (stable) | pll-periph0 |
The relative performance numbers all match up (with pll-periph0 running
at its default 600MHz).
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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Like the APB0 clock on previous chips, this is a simple single-parent
clock with an M divider. Use the equivalent helper macro instead of
writing out the whole clock description manually.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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According to the BSP source code, the APB0 clock on the H3 and H5 has a
normal M divider, not a power-of-two divider. This matches the hardware
in the A83T (as described in both the BSP source code and the manual).
Since the A83T and H3/A64 clocks are actually the same, we can merge the
definitions.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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One of the uses of the external clock outputs is to provide a stable
32768 Hz clock signal to WiFi and Bluetooth chips. On the R40, the RTC
has an internal RC oscillator that is muxed with the external crystal.
Allow setting the parent rate for the external clock outputs so that
requests for 32768 Hz get passed to the RTC's clock driver to mux in
the external crystal if it isn't already muxed correctly.
Fixes: cd030a78f7aa ("clk: sunxi-ng: support R40 SoC")
Fixes: 01a7ea763fc4 ("clk: sunxi-ng: r40: Force LOSC parent to RTC LOSC output")
Cc: <stable@kernel.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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The hws field of sun8i_v3s_hw_clks has only 74
members. However, the number specified by CLK_NUMBER
is 77 (= CLK_I2S0 + 1). This leads to runtime segmentation
fault that is not always reproducible.
This patch fixes the problem by specifying correct clock number.
Signed-off-by: Yunhao Tian <18373444@buaa.edu.cn>
[Maxime: Also remove the CLK_NUMBER definition]
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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This is not needed for anything, and prevents proper PM transitions for
parent devices which is bad in case of ti-sysc; this effectively kills
PM completely. Thus, remove the flag.
Suggested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lkml.kernel.org/r/20191114101718.20619-1-peter.ujfalusi@ti.com
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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On sdm845 devices, during boot we see the following warnings (unless we
have added 'pd_ignore_unused' to the kernel command line):
hlos1_vote_mmnoc_mmu_tbu_sf_gdsc status stuck at 'on'
hlos1_vote_mmnoc_mmu_tbu_hf1_gdsc status stuck at 'on'
hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc status stuck at 'on'
hlos1_vote_aggre_noc_mmu_tbu2_gdsc status stuck at 'on'
hlos1_vote_aggre_noc_mmu_tbu1_gdsc status stuck at 'on'
hlos1_vote_aggre_noc_mmu_pcie_tbu_gdsc status stuck at 'on'
hlos1_vote_aggre_noc_mmu_audio_tbu_gdsc status stuck at 'on'
As the name of these GDSCs suggests, they are "votable" and in downstream
DT, they all have the property "qcom,no-status-check-on-disable", which
means that we should not poll the status bit when we disable them.
Luckily the VOTABLE flag already exists and it does exactly what we need,
so let's make use of it to make the warnings disappear.
Fixes: 06391eddb60a ("clk: qcom: Add Global Clock controller (GCC) driver for SDM845")
Reported-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lkml.kernel.org/r/20191126153437.11808-1-georgi.djakov@linaro.org
Tested-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The following traceback is seen if a critical clock fails to prepare.
bcm2835-clk 3f101000.cprman: plld: couldn't lock PLL
------------[ cut here ]------------
Enabling unprepared plld_per
WARNING: CPU: 1 PID: 1 at drivers/clk/clk.c:1014 clk_core_enable+0xcc/0x2c0
...
Call trace:
clk_core_enable+0xcc/0x2c0
__clk_register+0x5c4/0x788
devm_clk_hw_register+0x4c/0xb0
bcm2835_register_pll_divider+0xc0/0x150
bcm2835_clk_probe+0x134/0x1e8
platform_drv_probe+0x50/0xa0
really_probe+0xd4/0x308
driver_probe_device+0x54/0xe8
device_driver_attach+0x6c/0x78
__driver_attach+0x54/0xd8
...
Check return values from clk_core_prepare() and clk_core_enable() and
bail out if any of those functions returns an error.
Cc: Jerome Brunet <jbrunet@baylibre.com>
Fixes: 99652a469df1 ("clk: migrate the count of orphaned clocks at init")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lkml.kernel.org/r/20191225163429.29694-1-linux@roeck-us.net
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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It's unlikely to happen in practice ever, but makes static checkers happy.
Fixes: 535f296d47de ("clk: tegra: Add suspend and resume support on Tegra210")
Reported-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lkml.kernel.org/r/20191210020512.6088-1-digetx@gmail.com
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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In Exynos542x/5800 SoCs, the G3D leaf clocks are located in the G3D power
domain. This is similar to the other hardware modules and their power
domains. However there is one thing specific to G3D clocks hierarchy.
Unlike other hardware modules, the G3D clocks hierarchy doesn't have any
gate clock between the TOP part of the hierarchy and the part located in
the power domain and some SoC internal busses are sourced directly from
the TOP muxes. The consequence of this design if the fact that the TOP
part of the hierarchy has to be enabled permanently to ensure proper
operation of the SoC power related components (G3D power domain and
Exynos Power Management Unit for system suspend/resume).
This patch adds an explicit call to clk_prepare_enable() on the last MUX
in the TOP part of G3D clock hierarchy to keep it enabled permanently to
ensure that the internal busses get their clock regardless of the main
G3D clock enablement status.
This fixes following imprecise abort issue observed on Odroid XU3/XU4
after enabling Panfrost driver by commit 1a5a85c56402 "ARM: dts: exynos:
Add Mali/GPU node on Exynos5420 and enable it on Odroid XU3/4"):
panfrost 11800000.gpu: clock rate = 400000000
panfrost 11800000.gpu: failed to get regulator: -517
panfrost 11800000.gpu: regulator init failed -517
Power domain G3D disable failed
...
panfrost 11800000.gpu: clock rate = 400000000
8<--- cut here ---
Unhandled fault: imprecise external abort (0x1406) at 0x00000000
pgd = (ptrval)
[00000000] *pgd=00000000
Internal error: : 1406 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 7 PID: 53 Comm: kworker/7:1 Not tainted 5.4.0-rc8-next-20191119-00032-g56f1001191a6 #6923
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
Workqueue: events deferred_probe_work_func
PC is at panfrost_gpu_soft_reset+0x94/0x110
LR is at ___might_sleep+0x128/0x2dc
...
[<c05c231c>] (panfrost_gpu_soft_reset) from [<c05c2704>] (panfrost_gpu_init+0x10/0x67c)
[<c05c2704>] (panfrost_gpu_init) from [<c05c15d0>] (panfrost_device_init+0x158/0x2cc)
[<c05c15d0>] (panfrost_device_init) from [<c05c0cb0>] (panfrost_probe+0x80/0x178)
[<c05c0cb0>] (panfrost_probe) from [<c05cfaa0>] (platform_drv_probe+0x48/0x9c)
[<c05cfaa0>] (platform_drv_probe) from [<c05cd20c>] (really_probe+0x1c4/0x474)
[<c05cd20c>] (really_probe) from [<c05cd694>] (driver_probe_device+0x78/0x1bc)
[<c05cd694>] (driver_probe_device) from [<c05cb374>] (bus_for_each_drv+0x74/0xb8)
[<c05cb374>] (bus_for_each_drv) from [<c05ccfa8>] (__device_attach+0xd4/0x16c)
[<c05ccfa8>] (__device_attach) from [<c05cc110>] (bus_probe_device+0x88/0x90)
[<c05cc110>] (bus_probe_device) from [<c05cc634>] (deferred_probe_work_func+0x4c/0xd0)
[<c05cc634>] (deferred_probe_work_func) from [<c0149df0>] (process_one_work+0x300/0x864)
[<c0149df0>] (process_one_work) from [<c014a3ac>] (worker_thread+0x58/0x5a0)
[<c014a3ac>] (worker_thread) from [<c0151174>] (kthread+0x12c/0x160)
[<c0151174>] (kthread) from [<c01010b4>] (ret_from_fork+0x14/0x20)
Exception stack(0xee03dfb0 to 0xee03dff8)
...
Code: e594300c e5933020 e3130c01 1a00000f (ebefff50).
---[ end trace badde2b74a65a540 ]---
In the above case, the Panfrost driver disables G3D clocks after failure
of getting the needed regulator and return with -EPROVE_DEFER code. This
causes G3D power domain disable failure and then, during second probe
an imprecise abort is triggered due to undefined power domain state.
Fixes: 45f10dabb56b ("clk: samsung: exynos5420: Add SET_RATE_PARENT flag to clocks on G3D path")
Fixes: c9f7567aff31 ("clk: samsung: exynos542x: Move G3D subsystem clocks to its sub-CMU")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lkml.kernel.org/r/20191216131407.17225-1-m.szyprowski@samsung.com
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Mark the msm8998 cpu CX gdsc as votable and use the hw control to avoid
corner cases with SMMU per hardware documentation.
Fixes: 3f7df5baa259 ("clk: qcom: Add MSM8998 GPU Clock Controller (GPUCC) driver")
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Link: https://lkml.kernel.org/r/20191217171905.5619-1-jeffrey.l.hugo@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Commit 17269568f7267 ("clk: qcom: Add Global Clock controller (GCC)
driver for SC7180") sets the VOTABLE flag in .pwrsts, but it needs
to be set in .flags, fix this.
Fixes: 17269568f7267 ("clk: qcom: Add Global Clock controller (GCC) driver for SC7180")
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lkml.kernel.org/r/20191204120341.1.I9971817e83ee890d1096c43c5a6ce6ced53d5bd3@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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A recent addition exposed a helper that is only used for CONFIG_OF. Move
it into the CONFIG_OF zone in this file to make the compiler stop
warning about an unused function.
Fixes: 66d9506440bb ("clk: walk orphan list on clock provider registration")
Signed-off-by: Olof Johansson <olof@lixom.net>
Link: https://lkml.kernel.org/r/20191217082501.424892072D@mail.kernel.org
[sboyd@kernel.org: "Simply" move the function instead]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Lockdep warns about a possible circular locking dependency because using
syscon_node_to_regmap() will make the created regmap get and enable the
first clock it can parse from the device tree. This clock is not needed to
access the registers and should not be enabled at that time.
Use the recently introduced device_node_to_regmap to solve that as it looks
up the regmap in the same list but doesn't care about the clocks.
Reported-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lkml.kernel.org/r/20191128102531.817549-1-alexandre.belloni@bootlin.com
Tested-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into clk-fixes
Pull i.MX clk fixes from Shawn Guo:
- Add missing lock to divider in the composite driver for exclusive
register access
- Add missing sentinel for ulp_div_table in clk-imx7ulp driver
- Fix clk_pll14xx_wait_lock() function which calls into
readl_poll_timeout() with incorrect parameter
* tag 'imx-clk-fixes-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
clk: imx: pll14xx: fix clk_pll14xx_wait_lock
clk: imx: clk-imx7ulp: Add missing sentinel of ulp_div_table
clk: imx: clk-composite-8m: add lock to gate/mux
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The usage of readl_poll_timeout is wrong, the 3rd parameter(cond)
should be "val & LOCK_STATUS" not "val & LOCK_TIMEOUT_US",
It is not check whether the pll locked, LOCK_STATUS reflects the mask,
not LOCK_TIMEOUT_US.
Fixes: 8646d4dcc7fb ("clk: imx: Add PLLs driver for imx8mm soc")
Cc: <stable@vger.kernel.org>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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There should be a sentinel of ulp_div_table, otherwise _get_table_div
may access data out of the array.
Fixes: b1260067ac3d ("clk: imx: add imx7ulp clk driver")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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There is a lock to divider in the composite driver, but that's not
enough. lock to gate/mux are also needed to provide exclusive access
to the register.
Fixes: d3ff9728134e ("clk: imx: Add imx composite clock")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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So far, we walked the orphan list every time a new clock was registered
in CCF. This was fine since the clocks were only referenced by name.
Now that the clock can be referenced through DT, it is not enough:
* Controller A register first a reference clocks from controller B
through DT.
* Controller B register all its clocks then register the provider.
Each time controller B registers a new clock, the orphan list is walked
but it can't match since the provider is registered yet. When the
provider is finally registered, the orphan list is not walked unless
another clock is registered afterward.
This can lead to situation where some clocks remain orphaned even if
the parent is available.
Walking the orphan list on provider registration solves the problem.
Reported-by: Jian Hu <jian.hu@amlogic.com>
Fixes: fc0c209c147f ("clk: Allow parents to be specified without string names")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lkml.kernel.org/r/20191203080805.104628-1-jbrunet@baylibre.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Pull ARM SoC platform updates from Olof Johansson:
"Most of these are for MMP (seeing a bunch of cleanups and refactorings
for the first time in a while), and for OMAP (a bunch of cleanups and
added support for voltage controller on OMAP4430)"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
ARM: OMAP2+: Add missing put_device() call in omapdss_init_of()
OMAP2: fixup doc comments in omap_device
ARM: OMAP1: drop duplicated dependency on ARCH_OMAP1
ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED
ARM: imx: use generic function to exit coherency
ARM: tegra: Use WFE for power-gating on Tegra30
ARM: tegra: Fix FLOW_CTLR_HALT register clobbering by tegra_resume()
ARM: exynos: Enable exynos-asv driver for ARCH_EXYNOS
ARM: s3c: Rename s5p_usb_phy functions
ARM: s3c: Rename s3c64xx_spi_setname() function
ARM: imx: Add serial number support for i.MX6/7 SoCs
ARM: imx: Drop imx_anatop_usb_chrg_detect_disable()
arm64: Introduce config for S32
ARM: hisi: drop useless depend on ARCH_MULTI_V7
arm64: realtek: Select reset controller
ARM: shmobile: rcar-gen2: Drop legacy DT clock support
ARM: OMAP2+: Remove duplicated include from pmic-cpcap.c
ARM: OMAP1: ams-delta FIQ: Fix a typo ("Initiaize")
MAINTAINERS: Add logicpd-som-lv and logicpd-torpedo to OMAP TREE
ARM: OMAP2+: pdata-quirks: drop TI_ST/KIM support
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp into arm/soc
ARM: Marvell MMP SoC patches for v5.5
This tag includes initial support for the Marvell MMP3 processor.
MMP3 is used in OLPC XO-4 laptops, Panasonic Toughpad FZ-A1 tablet
and Dell Wyse 3020/Tx0D thin clients.
* tag 'mmp-soc-for-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp:
MAINTAINERS: mmp: add Git repository
ARM: mmp: remove MMP3 USB PHY registers from regs-usb.h
ARM: mmp: move cputype.h to include/linux/soc/
ARM: mmp: add SMP support
ARM: mmp: add support for MMP3 SoC
ARM: mmp: define MMP_CHIPID by the means of CIU_REG()
ARM: mmp: DT: convert timer driver to use TIMER_OF_DECLARE
ARM: mmp: map the PGU as well
ARM: mmp: don't select CACHE_TAUROS2 on all ARCH_MMP
ARM: l2c: add definition for FWA in PL310 aux register
Link: https://lore.kernel.org/r/3a035bed90f9d8acc49b2d11d20089b546062aea.camel@v3.sk
Signed-off-by: Olof Johansson <olof@lixom.net>
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Similar to MMP2, which this patch is based on. Known differencies from MMP2
are:
* Two PJ4B cores instead of one PJ4
* Tauros 3 L2 cache controller instead of Tauros 2
* A GIC interrupt controller optionally used instead of the MMP one
* A TWD local timer
* Different USB2 PHY
* A USB3 SS controller
* More interrupt muxes
Hard to tell what else is different, because documentation is not
available.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
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git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal management updates from Zhang Rui:
- Fix a deadlock regression in thermal core framework, which was
introduced in 5.3 (Wei Wang)
- Initialize thermal control framework earlier to enable thermal
mitigation during boot (Amit Kucheria)
- Convert the Intelligent Power Allocator (IPA) thermal governor to
follow the generic PM_EM instead of its own Energy Model (Quentin
Perret)
- Introduce a new Amlogic soc thermal driver (Guillaume La Roque)
- Add interrupt support for tsens thermal driver (Amit Kucheria)
- Add support for MSM8956/8976 in tsens thermal driver
(AngeloGioacchino Del Regno)
- Add support for r8a774b1 in rcar thermal driver (Biju Das)
- Add support for Thermal Monitor Unit v2 in qoriq thermal driver
(Yuantian Tang)
- Some other fixes/cleanups on thermal core framework and soc thermal
drivers (Colin Ian King, Daniel Lezcano, Hsin-Yi Wang, Tian Tao)
* 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (32 commits)
thermal: Fix deadlock in thermal thermal_zone_device_check
thermal: cpu_cooling: Migrate to using the EM framework
thermal: cpu_cooling: Make the power-related code depend on IPA
PM / EM: Declare EM data types unconditionally
arm64: defconfig: Enable CONFIG_ENERGY_MODEL
drivers: thermal: tsens: fix potential integer overflow on multiply
thermal: cpu_cooling: Reorder the header file
thermal: cpu_cooling: Remove pointless dependency on CONFIG_OF
thermal: no need to set .owner when using module_platform_driver
thermal: qcom: tsens-v1: Fix kfree of a non-pointer value
cpufreq: qcom-hw: Move driver initialization earlier
clk: qcom: Initialize clock drivers earlier
cpufreq: Initialize cpufreq-dt driver earlier
cpufreq: Initialize the governors in core_initcall
thermal: Initialize thermal subsystem earlier
thermal: Remove netlink support
dt: thermal: tsens: Document compatible for MSM8976/56
thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976
MAINTAINERS: add entry for Amlogic Thermal driver
thermal: amlogic: Add thermal driver to support G12 SoCs
...
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Initialize the clock drivers on sdm845 and qcs404 in core_initcall so we
can have earlier access to cpufreq during booting.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/75ae9c3a1c0e69b95818c6ffe7181fdeaaf2d70e.1571656015.git.amit.kucheria@linaro.org
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This merge window we have one small clk provider API in the core
framework and then a bunch of driver updates and a handful of new
drivers. In terms of diffstat the Qualcomm and Amlogic drivers are
high up there because of all the clk data introcued by new drivers.
The Nvidia Tegra driver had a lot of work done this cycle too to
support suspend/resume and memory controllers. And the OMAP clk driver
got proper clk and reset handling in place.
Rounding out the patches are various updates to remove unused data,
mark things static, correct incorrect data in drivers, etc. All the
little things that improve drivers and maintain code health. I will
point out that there's a patch in here for the GPIO clk driver, that
almost nobody uses, which changes behavior and causes clk_set_rate()
to try to change the GPIO gate clk's parent. Other than that things
are fairly well SoC specific here.
Core:
- Add a clk provider API to get current parent index
- Plug a memory leak in clk_unregister() path
New Drivers:
- CGU in Ingenix X1000
- Bitmain BM1880 clks
- Qualcomm MSM8998 GPU clk controllers
- Qualcomm SC7180 GCC and RPMH clk controllers
- Qualcomm QCS404 Q6SSTOP clk controllers
- Add support for the Renesas R-Car M3-W+ (r8a77961) SoC
- Add support for the Renesas RZ/G2N (r8a774b1) SoC
- Add Tegra20/30 External Memory Clock (EMC) support
Updates:
- Make gpio gate clks propagate rate setting up to parent
- Prepare Armada 3700 for suspend to RAM by moving PCIe
suspend/resume priority
- Drop unused variables, enums, etc. in various clk drivers
- Convert various drivers to use devm_platform_ioremap_resource()
- Use struct_size() some more in various clk drivers
- Improve Rockchip px30 clk tree
- Add suspend/resume support to Tegra210 clk driver
- Reimplement SOR clks on earlier Tegra SoCs, helping HDMI and DP
- Allwinner DT exports and H6 clk tree fixes
- Proper clk and reset handling for OMAP SoCs
- Revamped TI divider clk to clamp max divider
- Make 1443X/1416X PLL clock structure common for reusing among i.MX8
SoCs
- Drop IMX7ULP_CLK_MIPI_PLL clock, it shouldn't be used
- Add VIDEO2_PLL clock for imx8mq
- Add missing gate clock for pll1/2 fixed dividers on i.MX8 SoCs
- Add sm1 support in the Amlogic audio clock controller
- Switch some clocks on R-Car Gen2/3 to .determine_rate()
- Remove Renesas R-Car Gen2 legacy DT clock support
- Improve arithmetic divisions on Renesas R-Car Gen2 and Gen3
- Improve Renesas R-Car Gen3 SD clock handling
- Add rate table for Samsung exynos542x GPU and VPLL clks
- Fix potential CPU performance degradation after system
suspend/resume cycle on exynos542x SoCs"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (160 commits)
clk: aspeed: Add RMII RCLK gates for both AST2500 MACs
MAINTAINERS: Add entry for BM1880 SoC clock driver
clk: Add common clock driver for BM1880 SoC
dt-bindings: clock: Add devicetree binding for BM1880 SoC
clk: Add clk_hw_unregister_composite helper function definition
clk: Zero init clk_init_data in helpers
clk: ingenic: Allow drivers to be built with COMPILE_TEST
MAINTAINERS: Update section for Ux500 clock drivers
clk: mark clk_disable_unused() as __init
clk: Fix memory leak in clk_unregister()
clk: Ingenic: Add CGU driver for X1000.
dt-bindings: clock: Add X1000 bindings.
clk: tegra: Use match_string() helper to simplify the code
clk: pxa: fix one of the pxa RTC clocks
clk: sprd: Use IS_ERR() to validate the return value of syscon_regmap_lookup_by_phandle()
clk: armada-xp: remove unused code
clk: tegra: Fix build error without CONFIG_PM_SLEEP
clk: tegra: Add missing stubs for the case of !CONFIG_PM_SLEEP
clk: tegra: Optimize PLLX restore on Tegra20/30
clk: tegra: Add suspend and resume support on Tegra210
...
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into clk-next
- Support CGU in Ingenix X1000
- Support Bitmain BM1880 clks
* clk-ingenic:
clk: ingenic: Allow drivers to be built with COMPILE_TEST
clk: Ingenic: Add CGU driver for X1000.
dt-bindings: clock: Add X1000 bindings.
* clk-init-leak:
clk: mark clk_disable_unused() as __init
clk: Fix memory leak in clk_unregister()
* clk-ux500:
MAINTAINERS: Update section for Ux500 clock drivers
* clk-bitmain:
MAINTAINERS: Add entry for BM1880 SoC clock driver
clk: Add common clock driver for BM1880 SoC
dt-bindings: clock: Add devicetree binding for BM1880 SoC
clk: Add clk_hw_unregister_composite helper function definition
clk: Zero init clk_init_data in helpers
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Add common clock driver for Bitmain BM1880 SoC. The clock controller on
BM1880 has supplies clocks to all peripherals in the form of gate clocks
and composite clocks (fixed factor + gate).
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lkml.kernel.org/r/20191115162901.17456-7-manivannan.sadhasivam@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This function has been delcared but not defined anywhere. Hence, this
commit adds definition for it.
Fixes: 49cb392d3639 ("clk: composite: Add hw based registration APIs")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lkml.kernel.org/r/20191115162901.17456-3-manivannan.sadhasivam@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The clk_init_data struct needs to be initialized to zero for the new
parent_map implementation to work correctly. Otherwise, the member which
is available first will get processed.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lkml.kernel.org/r/20191115162901.17456-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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clk_disable_unused is only called once, as a late_initcall, so reclaim
a bit of memory by marking it (and the functions and data it is the
sole user of) as __init/__initdata. This moves ~1900 bytes from .text
to .init.text for a imx_v6_v7_defconfig.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Link: https://lkml.kernel.org/r/20191004094826.8320-1-linux@rasmusvillemoes.dk
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Memory allocated in alloc_clk() for 'struct clk' and
'const char *con_id' while invoking clk_register() is never freed
in clk_unregister(), resulting in kmemleak showing the following
backtrace.
backtrace:
[<00000000546f5dd0>] kmem_cache_alloc+0x18c/0x270
[<0000000073a32862>] alloc_clk+0x30/0x70
[<0000000082942480>] __clk_register+0xc8/0x760
[<000000005c859fca>] devm_clk_register+0x54/0xb0
[<00000000868834a8>] 0xffff800008c60950
[<00000000d5a80534>] platform_drv_probe+0x50/0xa0
[<000000001b3889fc>] really_probe+0x108/0x348
[<00000000953fa60a>] driver_probe_device+0x58/0x100
[<0000000008acc17c>] device_driver_attach+0x6c/0x90
[<0000000022813df3>] __driver_attach+0x84/0xc8
[<00000000448d5443>] bus_for_each_dev+0x74/0xc8
[<00000000294aa93f>] driver_attach+0x20/0x28
[<00000000e5e52626>] bus_add_driver+0x148/0x1f0
[<000000001de21efc>] driver_register+0x60/0x110
[<00000000af07c068>] __platform_driver_register+0x40/0x48
[<0000000060fa80ee>] 0xffff800008c66020
Fix it here.
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Link: https://lkml.kernel.org/r/20191022071153.21118-1-kishon@ti.com
Fixes: 1df4046a93e0 ("clk: Combine __clk_get() and __clk_create_clk()")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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We don't need the MIPS architecture or even a MIPS compiler to compile
test these drivers. Let's add a COMPILE_TEST possibility on the
menuconfig here so that we can build these drivers on more
configurations.
Cc: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20191114001925.159276-1-sboyd@kernel.org
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
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Add support for the clocks provided by the CGU in the Ingenic X1000
SoC, making use of the cgu code to do the heavy lifting.
Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
Link: https://lkml.kernel.org/r/1573378102-72380-3-git-send-email-zhouyanjie@zoho.com
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk-pxa' into clk-next
- Make gpio gate clks propagate rate setting up to parent
* clk-gpio-flags:
clk: clk-gpio: propagate rate change to parent
* clk-tegra: (23 commits)
clk: tegra: Use match_string() helper to simplify the code
clk: tegra: Fix build error without CONFIG_PM_SLEEP
clk: tegra: Add missing stubs for the case of !CONFIG_PM_SLEEP
clk: tegra: Optimize PLLX restore on Tegra20/30
clk: tegra: Add suspend and resume support on Tegra210
clk: tegra: Share clk and rst register defines with Tegra clock driver
clk: tegra: Use fence_udelay() during PLLU init
clk: tegra: clk-dfll: Add suspend and resume support
clk: tegra: clk-super: Add restore-context support
clk: tegra: clk-super: Fix to enable PLLP branches to CPU
clk: tegra: periph: Add restore_context support
clk: tegra: Support for OSC context save and restore
clk: tegra: pll: Save and restore pll context
clk: tegra: pllout: Save and restore pllout context
clk: tegra: divider: Save and restore divider rate
clk: tegra: Reimplement SOR clocks on Tegra210
clk: tegra: Reimplement SOR clock on Tegra124
clk: tegra: Rename sor0_lvds to sor0_out
clk: tegra: Move SOR0 implementation to Tegra124
clk: tegra: Remove last remains of TEGRA210_CLK_SOR1_SRC
...
* clk-rockchip:
clk: rockchip: protect the pclk_usb_grf as critical on px30
clk: rockchip: add video-related niu clocks as critical on px30
clk: rockchip: move px30 critical clocks to correct clock controller
clk: rockchip: Add div50 clocks for px30 sdmmc, emmc, sdio and nandc
clk: rockchip: Add div50 clock-ids for sdmmc on px30 and nandc
clk: rockchip: make clk_half_divider_ops static
* clk-sprd:
clk: sprd: Use IS_ERR() to validate the return value of syscon_regmap_lookup_by_phandle()
* clk-pxa:
clk: pxa: fix one of the pxa RTC clocks
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The pxa27x platforms have a single IP with 2 drivers, sa1100-rtc and
rtc-pxa drivers.
A previous patch fixed the sa1100-rtc case, but the pxa-rtc wasn't
fixed. This patch completes the previous one.
Fixes: 8b6d10345e16 ("clk: pxa: add missing pxa27x clocks for Irda and sa1100-rtc")
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Link: https://lkml.kernel.org/r/20191026194420.11918-1-robert.jarzmik@free.fr
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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syscon_regmap_lookup_by_phandle()
The syscon_regmap_lookup_by_phandle() will never return NULL, thus use
IS_ERR() to validate the return value instead of IS_ERR_OR_NULL().
Fixes: d41f59fd92f2 ("clk: sprd: Add common infrastructure")
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Link: https://lkml.kernel.org/r/1995139bee5248ff3e9d46dc715968f212cfc4cc.1570520268.git.baolin.wang@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Make this clock a real critical clock, so that writes to the usbphy grf
always succeed.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20190917081903.25139-5-heiko@sntech.de
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Video-In and -Out interconnect clocks need to stay on all the
time for the peripheral to work and we do not model the actual
interconnect at this point. So mark them as critical for now.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20190917081903.25139-4-heiko@sntech.de
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The clocks in the px30 critical clock section are from the regular cru not
the pmucru, so move them to the correct place.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20190917081903.25139-3-heiko@sntech.de
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Some IPs, such as NAND, EMMC, SDIO and SDMMC need clock of 50% duty
cycle, divfree50 can generate clock of 50% duty cycle even in odd
value divisor.
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20190917081903.25139-2-heiko@sntech.de
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The clk_half_divider_ops is not used outside or declared
outside of drivers/clk/rockchip/clk-half-divider.c so make
it static to avoid the following warning:
drivers/clk/rockchip/clk-half-divider.c:142:22: warning: symbol 'clk_half_divider_ops' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20191017105348.8061-1-ben.dooks@codethink.co.uk
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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match_string() returns the array index of a matching string.
Use it instead of the open-coded implementation.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lkml.kernel.org/r/20191109034226.21044-1-yuehaibing@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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If CONFIG_PM_SLEEP is n, build fails:
drivers/clk/tegra/clk-tegra210.c:3426:13: error:
tegra210_clk_suspend undeclared here (not in a function); did you mean tegra_clk_ndspeed?
.suspend = tegra210_clk_suspend,
^~~~~~~~~~~~~~~~~~~~
tegra_clk_ndspeed
drivers/clk/tegra/clk-tegra210.c:3427:12: error:
tegra210_clk_resume undeclared here (not in a function); did you mean tegra210_clk_suspend?
.resume = tegra210_clk_resume,
Use ifdef to guard this.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 27d10d548c04 ("clk: tegra: Add suspend and resume support on Tegra210")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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There is no need to re-configure PLLX if its configuration in unchanged
on return from suspend / cpuidle, this saves 300us if PLLX is already
enabled (common case for cpuidle).
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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All the CAR controller settings are lost on suspend when core power goes
off. This implement saving and restoring context for all PLLs and clocks
during system suspend and resume to have the clocks back to same state
for normal operation.
Clock driver suspend and resume are registered as syscore_ops as clocks
restore need to happen before the other drivers resume to have all their
clocks back to the same state as before suspend.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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